/* DBME Academia — estilos
   Dirección: escenario oscuro con una esfera de partículas como protagonista, acento lima,
   titulares enormes en Geist con palabras clave en Instrument Serif itálica, todo entra con movimiento */
@view-transition{navigation:auto}

:root{
  color-scheme:dark;
  --bg:#060708;
  --bg-2:#0c0e10;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --ink:#f1f3ee;
  --muted:#9aa196;
  --dim:#858d82;
  --lime:#c8f560;
  --lime-2:#9fd13a;
  --lime-ink:#0b1003;
  --f-sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-serif:"Instrument Serif",ui-serif,Georgia,serif;
  --f-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:20px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --out:cubic-bezier(.16,1,.3,1);
  --gut:max(20px,env(safe-area-inset-left,0px));
  --gut-r:max(20px,env(safe-area-inset-right,0px));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;min-height:100vh;min-height:100dvh;background:var(--bg);color:var(--ink);font-family:var(--f-sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;overflow-x:hidden}
img,svg,canvas{max-width:100%}
[hidden]{display:none!important}
h1,h2,h3{font-weight:600;line-height:1.02;letter-spacing:-.035em;text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit}
em.s{font-family:var(--f-serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
::selection{background:var(--lime);color:var(--lime-ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
.wrap{max-width:1200px;margin:0 auto;padding-left:var(--gut);padding-right:var(--gut-r)}
.skip{position:absolute;left:-999px;top:8px;background:var(--lime);color:var(--lime-ink);padding:8px 14px;border-radius:8px;z-index:100;font-weight:600}
.skip:focus{left:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.lime{color:var(--lime)}
.grain{position:fixed;inset:0;pointer-events:none;z-index:60;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* Barra superior */
.top{position:fixed;top:0;left:0;right:0;z-index:40;padding-top:env(safe-area-inset-top,0px);transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s}
.top.solid{background:color-mix(in srgb,var(--bg) 72%,transparent);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;letter-spacing:-.02em}
.brand svg{width:30px;height:30px;flex:none}
.brand small{display:block;font-weight:400;font-size:.74rem;color:var(--muted);letter-spacing:0}
.nav{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--bg) 60%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.nav a{text-decoration:none;color:var(--muted);font-size:.88rem;font-weight:500;padding:8px 14px;border-radius:999px;transition:color .25s,background .25s}
.nav a:hover{color:var(--ink);background:var(--surface-2)}
@media (max-width:760px){.nav{display:none}}

/* Botones */
.btn{position:relative;display:inline-flex;align-items:center;gap:12px;min-height:50px;padding:6px 6px 6px 22px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:.98rem;text-decoration:none;cursor:pointer;overflow:hidden;isolation:isolate;
  transition:transform .3s var(--out),box-shadow .4s var(--out),border-color .3s,background .3s}
.btn .dot{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:none;transition:transform .5s var(--out)}
.btn .dot svg{width:16px;height:16px}
.btn:hover .dot{transform:rotate(-45deg)}
.btn:active{transform:scale(.97)}
.btn-main{background:var(--lime);color:var(--lime-ink);box-shadow:0 0 0 0 rgba(235,216,193,0)}
.btn-main .dot{background:var(--lime-ink);color:var(--lime)}
.btn-main:hover{box-shadow:0 10px 50px -8px rgba(235,216,193,.45)}
.btn-ghost{border-color:var(--line-2);background:var(--surface);padding:6px 22px;color:var(--ink)}
.btn-ghost:hover{border-color:var(--lime)}
.btn-sm{min-height:42px;font-size:.9rem;padding:6px 18px}

/* Intro / hero */
.hero{position:relative;min-height:min(100svh,940px);display:grid;align-items:end;padding:120px 0 clamp(40px,7vw,80px);isolation:isolate;overflow:clip}
#orb{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:40%;z-index:-1;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hero-glow{position:absolute;left:50%;top:44%;width:min(70vw,760px);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;z-index:-2;background:radial-gradient(circle,rgba(235,216,193,.10),transparent 62%);filter:blur(10px)}
.hero h1{font-size:clamp(2.9rem,9.2vw,8.2rem);max-width:12ch}
.hero h1 em.s{color:var(--lime)}
.hero-row{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap;margin-top:28px}
.hero .lead{max-width:44ch;color:var(--muted);font-size:clamp(1rem,1.5vw,1.15rem)}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:36px}
.hero-meta div{display:grid;gap:2px}
.hero-meta b{font-size:1.6rem;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.chip{display:inline-flex;align-items:center;gap:10px;padding:7px 14px 7px 10px;border-radius:999px;border:1px solid var(--line-2);background:color-mix(in srgb,var(--bg) 55%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 14px var(--lime);animation:blink 2.4s ease-in-out infinite}
@keyframes blink{50%{opacity:.3}}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:22px;height:34px;border:1.5px solid var(--line-2);border-radius:12px}
.scroll-cue::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--lime);animation:cue 1.8s var(--ease) infinite}
@media (max-width:760px),(max-height:760px){.scroll-cue{display:none}}
@keyframes cue{0%{transform:translateY(0);opacity:1}70%{transform:translateY(11px);opacity:0}100%{opacity:0}}

/* Entrada de titulares palabra por palabra */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.split .w > span{display:inline-block;transform:translateY(105%);transition:transform 1.1s var(--out);transition-delay:calc(var(--i) * 70ms + var(--d,0ms))}
.split.in .w > span{transform:none}
.fade{opacity:0;transform:translateY(22px);filter:blur(10px);transition:opacity 1s var(--out),transform 1s var(--out),filter 1s var(--out);transition-delay:var(--d,0ms)}
.fade.in{opacity:1;transform:none;filter:none}
.no-js .fade,.no-js .split .w > span{opacity:1;transform:none;filter:none}

/* Secciones */
.sec{padding:clamp(70px,11vw,140px) 0}
.sec-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px 40px;margin-bottom:clamp(32px,5vw,56px)}
.sec-head h2{font-size:clamp(2.2rem,5.6vw,4.4rem);margin-top:14px}
.sec-head p{color:var(--muted);max-width:42ch}
@media (max-width:760px){.sec-head{grid-template-columns:1fr}}

/* Marquesina */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:22px 0;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:48px;width:max-content;animation:slide 50s linear infinite}
.marquee span{font-size:clamp(1.3rem,3vw,2.2rem);font-weight:500;letter-spacing:-.03em;color:var(--dim);white-space:nowrap;display:flex;align-items:center;gap:48px}
.marquee span::after{content:"✳";color:var(--lime);font-size:.7em}
@keyframes slide{to{transform:translateX(-50%)}}

/* Semestres */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:28px}
.tab{min-height:44px;padding:8px 18px;border-radius:999px;border:1px solid var(--line-2);background:transparent;color:var(--muted);cursor:pointer;font-weight:500;font-variant-numeric:tabular-nums;transition:all .3s var(--ease)}
.tab:hover{color:var(--ink);border-color:var(--ink)}
.tab[aria-pressed="true"],.tab[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.subjects{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:14px}
.subj{--mx:50%;--my:50%;position:relative;display:flex;flex-direction:column;gap:14px;min-height:240px;padding:26px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface);text-decoration:none;overflow:hidden;isolation:isolate;
  transition:transform .6s var(--out),border-color .4s,background .4s}
.subj::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .5s;background:radial-gradient(380px circle at var(--mx) var(--my),rgba(235,216,193,.13),transparent 50%)}
a.subj:hover{transform:translateY(-6px);border-color:rgba(235,216,193,.4)}
a.subj:hover::before{opacity:1}
.subj-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-2);color:var(--muted)}
.badge.on{color:var(--lime-ink);background:var(--lime);border-color:var(--lime)}
.subj h3{font-size:1.45rem;letter-spacing:-.03em}
.subj p{color:var(--muted);font-size:.95rem}
.subj-go{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--line);font-size:.9rem;font-weight:500}
.subj-go svg{width:18px;height:18px;transition:transform .5s var(--out)}
a.subj:hover .subj-go svg{transform:translateX(5px)}
.subj.off .subj-go{color:var(--dim)}
.subj.reveal{opacity:0;transform:translateY(30px)}
.subj.reveal.in{opacity:1;transform:none;transition:opacity .9s var(--out),transform .9s var(--out),border-color .4s;transition-delay:var(--d,0ms)}

/* Biblioteca */
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:14px}
.book{display:flex;flex-direction:column;gap:16px;padding:16px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface)}
.cover{position:relative;aspect-ratio:3/4;max-width:100%;border-radius:12px;overflow:hidden;padding:18px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,#16191b,#0b0d0e);border:1px solid var(--line);transition:transform .7s var(--out)}
.cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.5),transparent)}
.cover::after{content:"";position:absolute;right:-40%;top:-30%;width:90%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(235,216,193,.18),transparent 65%)}
.book:hover .cover{transform:translateY(-4px) rotate(-1.2deg)}
.cover b{position:relative;font-size:1.3rem;line-height:1.1;letter-spacing:-.03em;font-weight:600}
.cover span{position:relative;font-family:var(--f-mono);font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.book h3{font-size:1.05rem;letter-spacing:-.02em;line-height:1.25}
.book .meta{color:var(--muted);font-size:.86rem}
.book .use{font-size:.9rem}
.book .tag{align-self:flex-start;font-size:.78rem;padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
.book a{margin-top:auto;font-size:.88rem;font-weight:600;color:var(--lime);text-decoration:none}
.book a:hover{text-decoration:underline}
.note{margin-top:22px;color:var(--dim);font-size:.85rem;max-width:70ch}

/* Método */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.steps3 article{background:var(--bg);padding:clamp(24px,3vw,40px);display:grid;gap:12px;align-content:start}
.steps3 .n{font-family:var(--f-serif);font-style:italic;font-size:3.2rem;line-height:1;color:var(--lime)}
.steps3 h3{font-size:1.25rem;letter-spacing:-.02em}
.steps3 p{color:var(--muted);font-size:.95rem}
@media (max-width:820px){.steps3{grid-template-columns:1fr}}

/* Llamado final */
.cta{text-align:center;padding:clamp(80px,12vw,160px) 0;position:relative;isolation:isolate;overflow:clip}
.cta::before{content:"";position:absolute;left:50%;top:50%;width:min(90vw,900px);aspect-ratio:2;transform:translate(-50%,-50%);z-index:-1;background:radial-gradient(ellipse,rgba(235,216,193,.14),transparent 60%)}
.cta h2{font-size:clamp(2.6rem,7.5vw,6.4rem);max-width:14ch;margin:0 auto 34px}

/* Pie */
.foot{border-top:1px solid var(--line);padding:36px 0 calc(36px + env(safe-area-inset-bottom,0px));color:var(--muted);font-size:.88rem}
.foot .wrap{display:flex;justify-content:space-between;gap:16px 28px;flex-wrap:wrap}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a{text-decoration:none}
.foot a:hover,.foot button:hover{color:var(--ink)}
.foot button{background:none;border:0;padding:0;cursor:pointer;color:inherit;font-size:inherit}

/* Página de materia */
.page-head{padding:clamp(130px,16vw,190px) 0 clamp(40px,6vw,70px);position:relative;isolation:isolate;overflow:clip}
.page-head::before{content:"";position:absolute;right:-10%;top:-20%;width:min(70vw,700px);aspect-ratio:1;border-radius:50%;z-index:-1;background:radial-gradient(circle,rgba(235,216,193,.12),transparent 60%)}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.88rem;margin-bottom:22px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.page-head h1{font-size:clamp(2.6rem,7.4vw,6rem);max-width:14ch}
.page-head .lead{margin-top:22px;color:var(--muted);max-width:52ch;font-size:1.08rem}
.units{display:grid;gap:14px}
.unit{display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:24px 40px;padding:clamp(22px,3vw,34px);border-radius:var(--r);border:1px solid var(--line);background:var(--surface)}
.unit-h .n{font-family:var(--f-serif);font-style:italic;font-size:3.4rem;line-height:1;color:var(--lime)}
.unit-h h2{font-size:1.35rem;letter-spacing:-.025em;margin-top:8px}
.lessons{display:grid;gap:8px;list-style:none;margin:0;padding:0}
.lesson{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:14px 18px;border-radius:14px;border:1px solid var(--line);text-decoration:none;transition:border-color .3s,background .3s,transform .4s var(--out)}
.lesson:hover{border-color:rgba(235,216,193,.5);background:var(--surface-2);transform:translateX(4px)}
.lesson b{font-weight:500;letter-spacing:-.01em}
.lesson small{display:block;color:var(--muted);font-size:.82rem;margin-top:2px}
.lesson .go{width:36px;height:36px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--lime);color:var(--lime-ink);transition:transform .5s var(--out)}
.lesson:hover .go{transform:rotate(-45deg)}
.lesson .go svg{width:15px;height:15px}
@media (max-width:720px){.unit{grid-template-columns:1fr}}
.pending{padding:40px;border:1px dashed var(--line-2);border-radius:var(--r);color:var(--muted);display:grid;gap:16px;justify-items:start}
.pending h2{font-size:1.5rem;color:var(--ink)}

/* Páginas legales */
.legal{padding:clamp(130px,15vw,180px) 0 80px}
.legal .wrap{max-width:820px}
.legal h1{font-size:clamp(2.4rem,6vw,4rem);margin-bottom:12px}
.legal .upd{color:var(--muted);margin-bottom:40px}
.legal h2{font-size:1.4rem;letter-spacing:-.02em;margin:40px 0 12px}
.legal p,.legal li{color:#c9cec4;max-width:68ch}
.legal p+p{margin-top:12px}
.legal ul{padding-left:20px;display:grid;gap:6px}
.legal a{color:var(--lime)}

/* 404 */
.nf{min-height:100svh;display:grid;place-items:center;text-align:center;padding:120px 20px 60px;position:relative;isolation:isolate;overflow:clip}
.nf .big{font-size:clamp(7rem,30vw,22rem);font-weight:600;letter-spacing:-.07em;line-height:.85;background:linear-gradient(180deg,var(--ink),transparent 85%);-webkit-background-clip:text;background-clip:text;color:transparent}
.nf h1{font-size:clamp(1.6rem,4vw,2.6rem);margin:18px 0 12px}
.nf p{color:var(--muted);margin-bottom:28px}

/* Banner de cookies */
.consent{position:fixed;z-index:70;left:max(16px,env(safe-area-inset-left,0px));right:max(16px,env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));max-width:460px;padding:20px;border-radius:18px;border:1px solid var(--line-2);background:color-mix(in srgb,var(--bg-2) 92%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 30px 80px -20px rgba(0,0,0,.7);animation:up .7s var(--out) both}
@keyframes up{from{opacity:0;transform:translateY(20px)}}
.consent h2{font-size:1.05rem;letter-spacing:-.01em;margin-bottom:6px}
.consent p{color:var(--muted);font-size:.9rem}
.consent a{color:var(--lime)}
.consent .row{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.consent .btn{min-height:42px;padding:6px 18px}

/* ---------- Visor de láminas ---------- */
.viewer{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}
.vbar{position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top,0px);background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.vbar .wrap{display:flex;align-items:center;gap:12px;min-height:66px}
.vbar .t{flex:1;min-width:0}
.vbar .t b{display:block;font-weight:600;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vbar .t span{display:block;color:var(--muted);font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ibtn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface);display:grid;place-items:center;cursor:pointer;flex:none;text-decoration:none;transition:border-color .25s,transform .2s}
.ibtn:hover{border-color:var(--lime)}
.ibtn:active{transform:scale(.94)}
.ibtn:disabled{opacity:.35;cursor:default;border-color:var(--line)}
.ibtn svg{width:19px;height:19px}
.vbtn{height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface);color:inherit;font:inherit;font-size:14px;display:inline-flex;align-items:center;gap:8px;cursor:pointer;flex:none;transition:border-color .25s,transform .2s}
.vbtn:hover{border-color:var(--lime)}
.vbtn:active{transform:scale(.96)}
.vbtn svg{width:19px;height:19px;color:var(--lime)}
.vbtn[hidden]{display:none}
@media (max-width:520px){.vbtn{padding:0 11px}.vbtn span{display:none}}
.progress{height:2px;background:var(--line)}
.progress i{display:block;height:100%;background:var(--lime);transform-origin:left;transform:scaleX(0);transition:transform .7s var(--out);box-shadow:0 0 12px var(--lime)}
.stage{flex:1;display:grid;place-items:center;padding:24px var(--gut-r) 16px var(--gut)}
.deck{position:relative;width:min(100%,1120px);aspect-ratio:16/9;max-width:100%;border-radius:26px;border:1px solid var(--line);overflow:hidden;container-type:inline-size;
  background:radial-gradient(90% 70% at 100% 0%,rgba(235,216,193,.08),transparent 60%),radial-gradient(70% 60% at 0% 100%,rgba(255,255,255,.04),transparent 60%),var(--bg-2);
  box-shadow:0 50px 140px -50px rgba(0,0,0,.9)}
.slide{position:absolute;inset:0;padding:clamp(22px,5.4cqi,64px);display:flex;flex-direction:column;justify-content:center;gap:clamp(10px,2.2cqi,26px)}
.slide.enter-next{animation:inN .8s var(--out) both}
.slide.enter-prev{animation:inP .8s var(--out) both}
.slide.leave-next{animation:outN .5s var(--ease) both}
.slide.leave-prev{animation:outP .5s var(--ease) both}
@keyframes inN{from{opacity:0;transform:translateX(7%) scale(.97);filter:blur(14px)}}
@keyframes inP{from{opacity:0;transform:translateX(-7%) scale(.97);filter:blur(14px)}}
@keyframes outN{to{opacity:0;transform:translateX(-5%) scale(.97);filter:blur(10px)}}
@keyframes outP{to{opacity:0;transform:translateX(5%) scale(.97);filter:blur(10px)}}
.slide > *{animation:rise .85s var(--out) both;animation-delay:calc(var(--i,0) * 75ms + 120ms)}
@keyframes rise{from{opacity:0;transform:translateY(16px)}}
.slide .k{font-family:var(--f-mono);font-size:clamp(.6rem,1.25cqi,.8rem);letter-spacing:.14em;text-transform:uppercase;color:var(--lime)}
.slide h2{font-size:clamp(1.15rem,4.2cqi,3rem)}
.slide.is-cover h2{font-size:clamp(1.7rem,7.2cqi,5rem);max-width:16ch}
.slide .sub{color:var(--muted);font-size:clamp(.82rem,2cqi,1.3rem);max-width:50ch}
.slide ul{margin:0;padding:0;list-style:none;display:grid;gap:clamp(6px,1.3cqi,14px)}
.slide li{position:relative;padding-left:clamp(18px,3cqi,30px);font-size:clamp(.78rem,1.95cqi,1.2rem);line-height:1.45}
.slide li::before{content:"";position:absolute;left:0;top:.6em;width:clamp(8px,1.1cqi,11px);height:2px;background:var(--lime)}
.cols{display:grid;grid-template-columns:repeat(var(--n,2),minmax(0,1fr));gap:clamp(8px,1.6cqi,16px)}
.col{padding:clamp(12px,2.2cqi,24px);border-radius:clamp(10px,1.6cqi,18px);border:1px solid var(--line);background:var(--surface)}
.col h3{font-size:clamp(.82rem,2cqi,1.25rem);letter-spacing:-.02em;margin-bottom:clamp(4px,.9cqi,10px)}
.col p{color:var(--muted);font-size:clamp(.7rem,1.65cqi,1rem);line-height:1.45}
.steps{display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:clamp(6px,1.2cqi,12px);counter-reset:s}
.step{position:relative;padding:clamp(10px,1.9cqi,20px);border-radius:clamp(10px,1.6cqi,18px);border:1px solid var(--line);background:var(--surface);counter-increment:s}
.step::before{content:counter(s,decimal-leading-zero);display:block;font-family:var(--f-mono);font-size:clamp(.6rem,1.15cqi,.78rem);color:var(--lime);margin-bottom:clamp(4px,1.1cqi,12px)}
.step h3{font-size:clamp(.76rem,1.8cqi,1.1rem);letter-spacing:-.02em;margin-bottom:6px}
.step p{color:var(--muted);font-size:clamp(.64rem,1.5cqi,.92rem);line-height:1.4}
.gloss{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:clamp(10px,1.6cqi,18px);overflow:hidden}
.gloss div{background:var(--bg-2);padding:clamp(10px,1.8cqi,18px)}
.gloss b{display:block;font-size:clamp(.74rem,1.75cqi,1.08rem);letter-spacing:-.02em;margin-bottom:4px}
.gloss span{color:var(--muted);font-size:clamp(.64rem,1.45cqi,.9rem);line-height:1.4;display:block}
.slide .def{font-family:var(--f-serif);font-style:italic;font-size:clamp(2rem,9cqi,6.4rem);line-height:.95;color:var(--lime);letter-spacing:-.02em}
.def-t{font-size:clamp(.9rem,2.7cqi,1.8rem);line-height:1.35;max-width:36ch;letter-spacing:-.015em}
.src{color:var(--muted);font-size:clamp(.66rem,1.4cqi,.88rem)}
.quote{font-size:clamp(1rem,3.4cqi,2.4rem);line-height:1.22;letter-spacing:-.025em;max-width:28ch;font-weight:500}
.quote::before{content:"“";display:block;font-family:var(--f-serif);color:var(--lime);font-size:2.4em;line-height:.6;margin-bottom:.12em}
.q{font-size:clamp(.92rem,2.6cqi,1.7rem);font-weight:500;letter-spacing:-.02em;line-height:1.3;max-width:38ch}
.reveal-btn{align-self:flex-start}
.answer{padding:clamp(12px,2cqi,20px);border-radius:14px;border:1px solid rgba(235,216,193,.4);background:rgba(235,216,193,.07);font-size:clamp(.76rem,1.8cqi,1.08rem);animation:rise .6s var(--out) both}
.ilus svg{display:block;width:100%;height:auto;fill:none;stroke:rgba(236,240,230,.62);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;overflow:visible}
.ilus .a{stroke:var(--lime)}
.ilus .fa{fill:rgba(235,216,193,.13)}
.ilus .fl{fill:var(--lime);stroke:none;animation:pop .6s var(--out) both;animation-delay:calc(var(--j,0) * 70ms + 500ms)}
.ilus svg > :not(.fl){stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.5s var(--out) forwards;animation-delay:calc(var(--j,0) * 70ms + 300ms)}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{from{opacity:0;transform:scale(.4)}}
.ilus svg .fl{transform-box:fill-box;transform-origin:center}
.ilus.portada-ilus,.ilus.mini,.ilus.ghost{position:absolute;pointer-events:none;top:0;bottom:0;margin:auto 0;height:fit-content}
.ilus.portada-ilus{right:clamp(18px,5cqi,64px);width:min(34cqi,360px);filter:drop-shadow(0 0 30px rgba(235,216,193,.12))}
.ilus.portada-ilus svg{animation:float 7s ease-in-out 2s infinite}
@keyframes float{50%{transform:translateY(-6px)}}
.slide.has-ilus{padding-right:calc(36cqi + 48px)}
.slide.has-ilus h2{max-width:13ch}
.ilus.ghost{right:-2cqi;width:min(40cqi,420px);opacity:.14}
.ilus.ghost.esquina{top:auto;bottom:clamp(12px,2.6cqi,30px);margin:0;right:clamp(12px,2.6cqi,30px);width:min(19cqi,190px);opacity:.2}
.ilus.mini{top:clamp(16px,3cqi,36px);bottom:auto;margin:0;right:clamp(16px,3.4cqi,44px);width:min(16cqi,150px)}
.slide.has-mini > h2,.slide.has-mini > .q{padding-right:min(17cqi,160px)}
.apl-steps{margin:0;padding-left:1.3em;display:grid;gap:clamp(4px,.9cqi,10px);font-size:clamp(.74rem,1.75cqi,1.08rem);line-height:1.4;color:var(--muted)}
.apl-steps li{padding-left:.2em}
.apl-steps li::marker{color:var(--lime);font-family:var(--f-mono)}
.apl-ej b{display:block;font-family:var(--f-mono);font-size:.78em;letter-spacing:.08em;text-transform:uppercase;color:var(--lime);margin-bottom:6px}
.slide:has(.apl-ej:not([hidden])) .apl-steps{display:none}
@container (max-width:620px){
  .slide.has-ilus{padding-right:clamp(22px,5.4cqi,64px)}
  .ilus.portada-ilus{position:relative;right:auto;margin:0;width:46%;order:-1;align-self:flex-start}
  .slide.has-ilus h2{max-width:none}
  .ilus.ghost{width:60%;opacity:.1}
}
.vids{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:clamp(8px,1.4cqi,14px)}
.vid{text-decoration:none;color:inherit;display:flex;align-items:center;gap:clamp(10px,1.6cqi,16px);padding:clamp(12px,2cqi,20px);border-radius:16px;border:1px solid var(--line);background:var(--surface);transition:border-color .3s,transform .4s var(--out)}
.vid:hover{border-color:rgba(235,216,193,.55);transform:translateY(-2px)}
.vid svg{flex:none;width:clamp(30px,5cqi,44px);height:auto;fill:none;stroke:var(--lime);stroke-width:1.8;stroke-linejoin:round}
.vid svg path{fill:var(--lime)}
.vid b{display:block;font-size:clamp(.76rem,1.75cqi,1.05rem);font-weight:500;letter-spacing:-.01em;line-height:1.3}
.vid small{display:block;margin-top:3px;font-family:var(--f-mono);font-size:clamp(.56rem,1.1cqi,.72rem);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.snote{color:var(--muted);font-size:clamp(.66rem,1.45cqi,.9rem);border-left:2px solid var(--lime);padding-left:12px}
/* Organigrama */
.tree{display:flex;flex-direction:column;align-items:center;gap:clamp(10px,2cqi,22px);font-size:clamp(.6rem,1.4cqi,.9rem)}
.tree .node{hyphens:auto;overflow-wrap:anywhere;padding:clamp(5px,.9cqi,10px) clamp(8px,1.4cqi,14px);border-radius:10px;border:1px solid var(--line-2);background:var(--surface);text-align:center;font-weight:500;line-height:1.25}
.tree .root{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);font-weight:600}
.tree .lvl{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:clamp(6px,1.2cqi,14px);width:100%;position:relative;padding-top:clamp(10px,2cqi,22px);border-top:1px solid var(--line-2)}
.tree .br{display:flex;flex-direction:column;gap:clamp(4px,.8cqi,8px);align-items:stretch}
.tree .br > .node:first-child{border-color:rgba(235,216,193,.55)}
.tree .kids{display:flex;flex-direction:column;gap:clamp(3px,.6cqi,6px);padding-left:clamp(6px,1cqi,12px);border-left:1px solid var(--line-2)}
.tree .kids .node{color:var(--muted);font-weight:400;text-align:left}
/* Símbolos */
.sym{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(8px,1.6cqi,16px)}
.sym div{display:flex;align-items:center;gap:clamp(8px,1.4cqi,14px);padding:clamp(10px,1.8cqi,18px);border-radius:14px;border:1px solid var(--line);background:var(--surface);font-size:clamp(.7rem,1.6cqi,1rem)}
.sym svg{width:clamp(36px,7cqi,64px);height:auto;flex:none;color:var(--lime)}
@container (max-width:620px){.cols,.gloss,.sym{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.tree .lvl{grid-template-columns:1fr 1fr}}
@container (max-width:420px){.cols,.gloss,.sym{grid-template-columns:1fr}}
.controls{display:flex;align-items:center;justify-content:center;gap:14px;padding:0 var(--gut-r) calc(18px + env(safe-area-inset-bottom,0px)) var(--gut)}
.count{font-family:var(--f-mono);font-size:.84rem;color:var(--muted);min-width:70px;text-align:center;font-variant-numeric:tabular-nums}
.dots{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;max-width:50vw}
.dots button{width:8px;height:8px;padding:0;border-radius:99px;border:0;background:var(--line-2);cursor:pointer;transition:width .5s var(--out),background .3s}
.dots button[aria-current="true"]{width:28px;background:var(--lime)}
.next-lesson{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:0 20px 20px}
.hint{color:var(--dim);font-size:.78rem;text-align:center;padding-bottom:14px}
@media (max-width:640px){
  .dots,.hint{display:none}
  .stage{padding:12px var(--gut-r) 12px var(--gut)}
  .deck{aspect-ratio:auto;min-height:64vh;border-radius:20px}
  .slide{position:relative;min-height:64vh}
  .slide.leave-next,.slide.leave-prev{position:absolute}
}
.viewer:fullscreen{background:var(--bg)}
.viewer:fullscreen .deck{width:min(100%,calc((100dvh - 150px) * 16 / 9))}

/* Transición entre páginas */
::view-transition-old(root){animation:vtOut .4s var(--ease) both}
::view-transition-new(root){animation:vtIn .7s var(--out) both}
@keyframes vtOut{to{opacity:0;filter:blur(10px)}}
@keyframes vtIn{from{opacity:0;filter:blur(10px)}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0ms!important}
  .fade,.split .w > span,.subj.reveal{opacity:1!important;transform:none!important;filter:none!important}
  ::view-transition-old(root),::view-transition-new(root){animation:none}
}

/* Acceso: modo dueño, candados y ventana de desbloqueo */
.owner-chip{order:5;margin-left:auto;display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:6px 14px;border-radius:999px;border:1px solid rgba(235,216,193,.5);background:rgba(235,216,193,.1);color:var(--lime);font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;white-space:nowrap}
.owner-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}
.top .owner-chip{margin-left:12px}
.lesson.is-locked b{color:var(--muted)}
.lesson .go.locked{background:transparent;border:1px solid var(--line-2);color:var(--muted)}
.lesson.is-locked:hover .go{transform:none}
.unlock-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 22px;border-radius:var(--r);border:1px solid rgba(235,216,193,.35);background:rgba(235,216,193,.06)}
.unlock-bar p{max-width:60ch}
.lock-row{display:flex;gap:10px;flex-wrap:wrap}
.pay{width:min(92vw,480px);padding:0;border:1px solid var(--line-2);border-radius:22px;background:var(--bg-2);color:var(--ink);box-shadow:0 40px 120px -20px rgba(0,0,0,.8)}
.pay[open]{animation:up .5s var(--out) both}
.pay::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.pay form{position:relative;display:grid;gap:14px;padding:26px;max-height:calc(100dvh - 40px);overflow:auto}
.pay h2{font-size:1.6rem;letter-spacing:-.03em}
.pay p{color:var(--muted)}
.pay .pay-soon{color:var(--ink);padding:12px 14px;border-radius:12px;background:var(--surface-2)}
.pay .row{display:flex;gap:8px}
.pay-owner{color:var(--muted);font-size:.85rem}
.pay-owner:hover{color:var(--lime)}
/* Página de dueño */
.owner{min-height:100svh;display:grid;place-items:center;padding:120px max(16px,env(safe-area-inset-right,0px)) 60px max(16px,env(safe-area-inset-left,0px))}
.owner form,.owner .done{width:min(100%,420px);display:grid;gap:14px;padding:28px;border-radius:22px;border:1px solid var(--line-2);background:var(--surface)}
.owner h1{font-size:2rem}
.owner label{font-weight:500}
.owner input{width:100%;min-height:50px;padding:12px 16px;border-radius:14px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);font:inherit;font-size:16px}
.owner input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(235,216,193,.15)}
.owner input[aria-invalid="true"]{border-color:#ff8a7a}
.owner .err{color:#ff9d8f;font-size:.9rem;min-height:1.2em}
.owner p{color:var(--muted)}

/* Láminas de tabla y fórmula */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:clamp(10px,1.6cqi,16px);max-width:100%}
.tbl table{width:100%;border-collapse:collapse;font-size:clamp(.62rem,1.5cqi,.95rem);font-variant-numeric:tabular-nums}
.tbl caption{caption-side:bottom;text-align:left;padding:8px 12px;color:var(--muted);font-size:.9em}
.tbl th,.tbl td{padding:clamp(5px,1cqi,10px) clamp(8px,1.4cqi,14px);text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl th{font-family:var(--f-mono);font-weight:500;font-size:.85em;letter-spacing:.06em;text-transform:uppercase;color:var(--lime);background:var(--surface)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:not(:first-child){text-align:right}
.fx{font-family:var(--f-mono);font-size:clamp(.85rem,2.8cqi,1.9rem);line-height:1.3;padding:clamp(12px,2.2cqi,24px);border-radius:clamp(10px,1.6cqi,18px);border:1px solid rgba(235,216,193,.35);background:rgba(235,216,193,.06);color:var(--ink)}
.fx-parts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:clamp(6px,1.2cqi,12px)}
.fx-parts div{display:flex;gap:10px;align-items:baseline;font-size:clamp(.66rem,1.5cqi,.95rem);color:var(--muted)}
.fx-parts b{font-family:var(--f-mono);color:var(--lime);font-weight:500;white-space:nowrap}
.fx-ej{color:var(--muted);font-size:clamp(.7rem,1.6cqi,1rem);border-left:2px solid var(--lime);padding-left:12px}

/* ===== Clase de refuerzo por Zoom ===== */
.rf{display:grid;gap:28px;max-width:860px}
.rf-pasos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;counter-reset:p}
.rf-pasos li{counter-increment:p;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--surface);display:grid;gap:4px}
.rf-pasos li::before{content:counter(p);font-family:var(--f-mono);font-size:.78rem;color:var(--lime)}
.rf-pasos span{color:var(--muted);font-size:.9rem}
.rf-agenda{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-radius:16px;border:1px solid rgba(235,216,193,.35);background:rgba(235,216,193,.05)}
.rf-agenda p{margin:0;color:var(--ink)}
.rf-form,.rf-done{display:grid;gap:18px;padding:clamp(20px,4vw,32px);border-radius:22px;border:1px solid var(--line-2);background:var(--surface)}
.rf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.rf-grid label{display:grid;gap:6px;font-size:.9rem;font-weight:500}
.rf-full{grid-column:1/-1}
.rf input,.rf select,.rf textarea{width:100%;min-height:50px;padding:12px 14px;border-radius:14px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);font:inherit;font-size:16px;font-weight:400;color-scheme:dark}
.rf textarea{resize:vertical;min-height:110px}
.rf input:focus-visible,.rf select:focus-visible,.rf textarea:focus-visible{outline:2px solid var(--lime);outline-offset:1px;border-color:transparent}
.rf-err{margin:0;padding:10px 14px;border-radius:12px;background:rgba(255,120,100,.1);color:#ffb4a6}
.rf-nota{margin:0;color:var(--muted);font-size:.84rem}
.rf-form .btn{justify-self:start}
.rf-done h2{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.03em}
.rf-done p{margin:0;color:var(--muted)}
.rf-msg{margin:0;white-space:pre-wrap;font-family:var(--f-mono);font-size:.82rem;line-height:1.6;padding:14px 16px;border-radius:14px;background:var(--bg);border:1px solid var(--line)}
.rf-done .row{display:flex;flex-wrap:wrap;gap:8px}
.refuerzo-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:28px;padding:18px 20px;border-radius:18px;border:1px solid var(--line-2);background:var(--surface)}
.refuerzo-cta p{margin:0;color:var(--muted);max-width:52ch}
.refuerzo-cta b{color:var(--ink);font-weight:600}
.temario{display:grid;gap:8px;margin:0;padding-left:1.2em;color:var(--ink)}
.temario li::marker{color:var(--lime)}
@media (max-width:640px){.rf-pasos,.rf-grid{grid-template-columns:1fr}}
.rf-home-btn{margin-top:32px}
.rf-horario{margin:0;padding:12px 14px;border-radius:12px;background:rgba(235,216,193,.06);border:1px solid rgba(235,216,193,.25);font-size:.92rem;font-weight:400}
.rf-cuando{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:16px;align-items:start}
.rf-dia{display:grid;gap:6px}
.rf-lbl{font-size:.9rem;font-weight:500}
.rf-hora{align-self:start}
.cal{padding:12px;border-radius:16px;border:1px solid var(--line-2);background:var(--bg);user-select:none}
.cal-h{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.cal-h b{font-weight:600;font-size:.95rem}
.cal-nav{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.cal-nav svg{width:16px;height:16px}
.cal-nav:disabled{opacity:.3;cursor:default}
.cal-g{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;text-align:center}
.cal-w{font-family:var(--f-mono);font-size:.68rem;color:var(--muted);padding:4px 0}
.cal-w.fin{color:var(--lime)}
.cal-d{aspect-ratio:1;min-height:36px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--muted);font:inherit;font-size:.88rem;font-variant-numeric:tabular-nums;opacity:.35;padding:0}
.cal-d.ok{opacity:1;color:var(--ink);border-color:rgba(235,216,193,.35);background:rgba(235,216,193,.07);cursor:pointer;font-weight:600;transition:background .2s,transform .15s}
.cal-d.ok:hover{background:rgba(235,216,193,.18)}
.cal-d.ok:active{transform:scale(.94)}
.cal-d[aria-pressed="true"]{background:var(--lime);color:#0b1003;border-color:var(--lime)}
.cal-d:focus-visible,.cal-nav:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.cal-sel{margin:0;color:var(--muted);font-size:.88rem}
.cal-sel.on{color:var(--lime)}
@media (max-width:640px){.rf-cuando{grid-template-columns:1fr}}

/* ===== Pago por transferencia / PayPal y activación de código ===== */
.pay-x{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font-size:1.3rem;line-height:1;cursor:pointer}
.pay-step{display:grid;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.pay-step>b,.pay-step>label{font-weight:600;color:var(--ink)}
.pay-step p{margin:0}
.pay-bank{display:grid;gap:8px;padding:14px;border-radius:14px;background:var(--surface-2)}
.pay-row{display:flex;justify-content:space-between;gap:12px;font-size:.92rem}
.pay-row span{color:var(--muted)}
.pay-row b{font-variant-numeric:tabular-nums;text-align:right;overflow-wrap:anywhere}
.pay-bank .btn,.pay-pp{justify-self:start}
.pay-code{display:flex;gap:8px}
.pay-code input{flex:1;min-width:0;min-height:44px;padding:10px 14px;border-radius:12px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);font-family:var(--f-mono);font-size:16px;letter-spacing:.06em;text-transform:uppercase}
.pay-code input:focus-visible{outline:2px solid var(--lime);outline-offset:1px}
.pay-msg{min-height:1.2em;font-size:.9rem;color:var(--muted)}
.pay-msg.err{color:#ff9d8f}
.pay-msg.ok{color:var(--lime)}
/* ===== Panel del dueño: códigos de acceso ===== */
.owner{align-content:start;gap:28px}
.owner .done{margin-top:0}
.panel{width:min(100%,860px);display:grid;gap:16px;padding:clamp(20px,4vw,32px);border-radius:22px;border:1px solid var(--line-2);background:var(--surface)}
.panel h2{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.03em}
.panel h3{font-size:1.2rem;margin-top:12px}
.panel p{margin:0;color:var(--muted)}
.pn-aviso{padding:12px 14px;border-radius:12px;background:rgba(255,180,90,.1);color:#ffcf99!important}
.pn-form{display:grid;gap:16px}
.pn-form label{display:grid;gap:6px;font-weight:500}
.pn-form input:not([type]),.pn-form select{width:100%;min-height:48px;padding:10px 14px;border-radius:12px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);font:inherit;font-size:16px;color-scheme:dark}
.pn-que{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 18px}
.pn-que legend{font-weight:500;margin-bottom:8px}
.pn-radio,.pn-check,.pn-semtodo{display:flex!important;align-items:center;gap:8px;font-weight:400!important;cursor:pointer}
.pn-mats{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:12px}
.pn-sem{margin:0;padding:12px 14px;border:1px solid var(--line);border-radius:14px;display:grid;gap:6px}
.pn-sem legend{padding:0 4px}
.pn-semtodo{font-weight:600!important;color:var(--lime)}
.pn-check{font-size:.92rem;color:var(--muted)}
.pn-form input[type=checkbox],.pn-form input[type=radio]{width:18px;height:18px;accent-color:var(--lime)}
.pn-fila{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.pn-form .btn{justify-self:start}
.pn-nuevo{display:grid;gap:8px;padding:18px;border-radius:16px;border:1px solid rgba(235,216,193,.4);background:rgba(235,216,193,.06)}
.pn-cod{font-family:var(--f-mono);letter-spacing:.08em}
.pn-nuevo .pn-cod{font-size:clamp(1.4rem,4vw,2rem);color:var(--lime)}
.pn-nuevo .row,.pn-item .row{display:flex;flex-wrap:wrap;gap:8px}
.pn-lista{display:grid;gap:10px}
.pn-item{display:grid;gap:6px;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--bg)}
.pn-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.pn-nota{color:var(--ink)!important;font-weight:500}
.pn-item p{font-size:.88rem}
.pn-anular:hover{border-color:#ff8a7a}
@media (max-width:560px){.pn-fila{grid-template-columns:1fr}}
.pay form{grid-template-columns:minmax(0,1fr)}
.pay form>*,.pay-step>*{min-width:0}
.pay-code input{width:100%}
.panel .pn-form{width:auto;padding:0;border:0;border-radius:0;background:none}
.pay-col{flex-direction:column;gap:2px}
.pay-col b{text-align:left}
/* ===== Planes y precio mensual ===== */
.planes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px;align-items:stretch}
.plan{position:relative;display:grid;align-content:start;gap:10px;padding:26px 22px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--surface)}
.plan.destacado{border-color:rgba(235,216,193,.6);background:linear-gradient(180deg,rgba(235,216,193,.09),var(--surface) 60%);box-shadow:0 30px 80px -40px rgba(235,216,193,.35)}
.plan-tag{justify-self:start;padding:4px 10px;border-radius:999px;background:var(--lime);color:#0b1003;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}
.plan h3{font-size:1.25rem}
.plan-mes{margin:0;color:var(--muted)}
.plan-mes b{font-size:clamp(2.4rem,5vw,3.2rem);font-weight:600;letter-spacing:-.04em;color:var(--ink);font-variant-numeric:tabular-nums}
.plan.destacado .plan-mes b{color:var(--lime)}
.plan-total,.plan-det{margin:0;color:var(--muted);font-size:.92rem}
.plan-total s{opacity:.7}
.plan-promo{margin:0;color:var(--lime);font-size:.85rem}
#planes .note{margin-top:22px}
.pay-planes{display:grid;gap:8px}
.pay-plan{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;border:1px solid var(--line-2);background:var(--bg);cursor:pointer;transition:border-color .2s,background .2s}
.pay-plan:has(input:checked){border-color:var(--lime);background:rgba(235,216,193,.07)}
.pay-plan input{width:18px;height:18px;accent-color:var(--lime);margin:0}
.pay-plan-tx{display:grid;gap:2px;min-width:0}
.pay-plan-tx b{font-weight:600;font-size:.95rem}
.pay-plan-tx small{color:var(--muted);font-size:.8rem}
.pay-plan-mes{display:grid;justify-items:end;line-height:1.1}
.pay-plan-mes b{font-size:1.25rem;font-variant-numeric:tabular-nums}
.pay-plan-mes small{color:var(--muted);font-size:.72rem}
.pay-plan.destacado .pay-plan-mes b{color:var(--lime)}
.plan-btn{justify-self:start;margin-top:6px}
.metodos{margin-top:18px;padding:22px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--surface);display:grid;gap:14px}
.metodos h3{font-size:1.15rem}
.metodos-g{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:12px}
.metodo{display:grid;gap:4px;align-content:start;padding:14px 16px;border-radius:14px;background:var(--bg);border:1px solid var(--line)}
.metodo b{font-weight:600;overflow-wrap:anywhere}
.metodo p{margin:0;color:var(--muted);font-size:.88rem;overflow-wrap:anywhere}
.badge.lock{color:var(--ink);border-color:var(--line-2)}
.badge svg{width:11px;height:11px}
.pay-notas{margin:0;padding-left:1.1em;display:grid;gap:4px;color:var(--muted);font-size:.84rem}
.pay-notas li::marker{color:var(--lime)}
.metodo .metodo-nota{margin-top:6px;padding-top:8px;border-top:1px dashed var(--line-2);color:var(--ink);font-size:.84rem}
.plan-total b{color:var(--ink);font-weight:600}
.pay-total{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 12px;padding:14px 16px;border-radius:14px;border:1px solid var(--lime);background:rgba(235,216,193,.08)}
.pay-total span{font-weight:600}
.pay-total b{grid-row:span 2;font-size:1.8rem;letter-spacing:-.03em;color:var(--lime);font-variant-numeric:tabular-nums}
.pay-total small{color:var(--muted);font-size:.8rem}

/* ======================================================================================================
   Tema «estudio» (rediseño 2026): paleta «Old Money» oscura (negro carbón, marfil, beige y caramelo) con viñeta,
   títulos en Inter Tight con la segunda parte en Instrument Serif cursiva, textos secundarios discretos.
   Solo cambia la estética: precios, pagos, acceso con código y lecciones bloqueadas funcionan igual.
   ====================================================================================================== */
:root{
  /* Paleta «Old Money» oscura: negro carbón, marfil #fff9f2, beige #ebd8c1 y caramelo #a27751 */
  --bg:#111110;
  --bg-2:#181715;
  --surface:rgba(255,249,242,.04);
  --surface-2:rgba(255,249,242,.07);
  --line:rgba(235,216,193,.17);
  --line-2:rgba(235,216,193,.34);
  --ink:#fff9f2;
  --muted:rgba(255,249,242,.74);
  --dim:rgba(255,249,242,.56);
  --lime:#ebd8c1;
  --lime-2:#a27751;
  --lime-ink:#111110;
  --caramelo:#a27751;
  --f-sans:"Inter Tight","Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
/* Viñeta suave en los bordes, como un fondo de estudio fotográfico */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(110% 80% at 50% 38%,#22201d 0%,rgba(17,17,16,0) 60%),radial-gradient(140% 110% at 50% 45%,transparent 48%,rgba(0,0,0,.72) 100%)}
.grain{opacity:.07}
h1,h2,h3{font-weight:700;letter-spacing:-.045em}
em.s{letter-spacing:-.015em}

/* Barra mínima y transparente */
.top .wrap{min-height:64px}
.brand{font-size:.95rem;gap:9px}
.brand svg{width:24px;height:24px}
.brand small{display:none}
.nav{border:0;background:none;backdrop-filter:none;-webkit-backdrop-filter:none;padding:0;gap:6px}
.nav a{font-size:.84rem;color:var(--muted);padding:8px 10px}
.nav a:hover,.nav a[aria-current="page"]{background:none;color:var(--ink)}
.top.solid{background:color-mix(in srgb,var(--bg-2) 78%,transparent)}

/* Botón principal pequeño, con borde fino y flecha → */
.btn{gap:10px;min-height:42px;font-size:.88rem;font-weight:500}
.btn-main{background:transparent;color:var(--ink);border-color:rgba(255,255,255,.42);padding:6px 10px 6px 18px}
.btn-main .dot{width:22px;height:22px;background:none;color:inherit;transform:rotate(45deg)}
.btn-main:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);box-shadow:none}
.btn-main:hover .dot{transform:translateX(3px) rotate(45deg)}
.btn-ghost{border-color:rgba(255,255,255,.28);background:transparent;padding:6px 18px}
.btn-ghost:hover{border-color:var(--ink)}

/* Tarjetas: verde translúcido con borde sutil */
.tab[aria-pressed="true"],.tab[aria-selected="true"]{background:var(--ink);color:var(--bg-2)}
.subj,.book,.unit{background:var(--surface);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.cover{background:linear-gradient(160deg,#2a2723,#121110)}
.steps3{background:var(--line)}
.steps3 article{background:var(--bg-2)}
.marquee span{color:rgba(255,255,255,.35)}
.cta::before,.page-head::before{opacity:.6}

/* Secciones con más aire y títulos en dos estilos */
.sec-head h2 em.s,.cta h2 em.s,.page-head h1 em.s{color:inherit}
.sec-head p,.page-head .lead{line-height:1.7}

/* Hero: título a la izquierda, esfera a la derecha a sangre */
.hero-split{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:110px 0 70px}
.hero-split .wrap{width:100%}
.hero-txt{max-width:min(680px,54%)}
.hero-split h1{font-size:clamp(2.7rem,5.2vw,5.3rem);max-width:none;margin-top:22px}
.hero-split h1 em.s{color:var(--ink);display:block}
.hero-split .lead{margin:28px 0 32px;max-width:40ch;font-size:.98rem;color:var(--muted)}
.hero-vis{position:absolute;top:0;right:0;bottom:0;width:58%;z-index:-1}
.hero-vis #orb{position:absolute;inset:0;width:100%;height:100%}
.hero-vis .hero-glow{left:50%;top:46%;background:radial-gradient(circle,rgba(235,216,193,.14),transparent 62%)}
.hero-split::after{display:none}
.chip{background:rgba(255,255,255,.03)}

/* Recorrido con scroll */
.recorrido{position:relative;height:440vh}
.rc-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
#rc-canvas,#rc-video{position:absolute;inset:0;width:100%;height:100%}
#rc-video{object-fit:cover}
.rc-txt{position:absolute;top:50%;width:min(27rem,34vw);opacity:0;visibility:hidden;transform:translateY(-50%);will-change:transform,opacity}
.rc-txt[data-lado="izq"]{left:max(var(--gut),7vw)}
.rc-txt[data-lado="der"]{right:max(var(--gut-r),7vw)}
.rc-txt h2{font-size:clamp(1.7rem,2.9vw,2.6rem);line-height:1.05}
.rc-txt p{margin-top:16px;max-width:38ch;font-size:.86rem;line-height:1.65;color:var(--muted)}
.no-js .recorrido,.rc-quieto{height:auto}
.no-js .rc-sticky,.rc-quieto .rc-sticky{position:relative;height:auto;padding:clamp(60px,9vw,110px) 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;max-width:1200px;margin:0 auto;padding-left:var(--gut);padding-right:var(--gut-r)}
.no-js #rc-canvas,.rc-quieto #rc-canvas{position:relative;grid-column:1/-1;height:min(60vh,520px)}
.no-js .rc-txt,.rc-quieto .rc-txt{position:static;width:auto;opacity:1;visibility:visible;transform:none}

/* Datos */
.datos{text-align:center}
.datos h2{font-size:clamp(2.2rem,5vw,4rem);max-width:16ch;margin:0 auto}
.datos h2 em.s{display:block}
.datos-sub{margin:22px auto 0;max-width:46ch;color:var(--muted);font-size:.95rem;line-height:1.7}
.cifras{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:clamp(40px,6vw,64px)}
.cifra,.cifra-ancha{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);text-align:left}
.cifra{padding:clamp(22px,3vw,34px);display:grid;gap:14px;align-content:start}
.cifra b{display:flex;align-items:baseline;gap:8px;font-size:clamp(3rem,6vw,4.6rem);font-weight:600;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}
.cifra small{font-size:.9rem;font-weight:500;letter-spacing:0;color:var(--muted)}
.cifra p{color:var(--muted);font-size:.88rem;line-height:1.6}
.cifra-ancha{margin-top:14px;padding:clamp(24px,3.4vw,40px);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px 48px;align-items:end}
.cifra-ancha h3{margin-top:12px;font-size:clamp(1.5rem,2.6vw,2.2rem);line-height:1.1}
.cifra-ancha-der{display:grid;gap:22px;justify-items:start}
.cifra-ancha-der p{color:var(--muted);font-size:.92rem;line-height:1.7}

/* Cierre: marca grande abajo a la izquierda, menú pequeño y «Arriba ↑» */
.foot-big{border-top:1px solid var(--line);padding:clamp(60px,9vw,110px) 0 calc(28px + env(safe-area-inset-bottom,0px))}
.foot-big .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px 48px}
.foot-marca{font-size:clamp(2.6rem,7vw,6rem);font-weight:700;letter-spacing:-.05em;line-height:.95;color:var(--ink)}
.foot-marca em.s{display:block}
.foot-der{display:grid;gap:14px;justify-items:end;font-size:.84rem}
.foot-der nav{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.arriba{display:inline-flex;align-items:center;gap:8px;margin-top:6px;padding:8px 16px;border:1px solid rgba(255,255,255,.42);border-radius:999px;text-decoration:none;color:var(--ink);transition:background .3s,color .3s,border-color .3s}
.arriba:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime)}
.foot-copy{grid-column:1/-1;padding-top:22px;border-top:1px solid var(--line);font-size:.8rem;color:var(--dim)}

/* Móvil: título arriba, visual abajo, tarjetas en columna */
@media (max-width:820px){
  .hero-split{flex-direction:column;align-items:stretch;padding:100px 0 0;min-height:0}
  .hero-txt{max-width:none}
  .hero-vis{position:relative;width:100%;height:min(62vh,480px);order:2;margin-top:8px}
  .hero-split .wrap{order:1}
  .cifras{grid-template-columns:1fr}
  .cifra-ancha{grid-template-columns:1fr}
  .foot-big .wrap{grid-template-columns:1fr}
  .foot-der{justify-items:start}
  .foot-der nav{justify-content:flex-start}
}
@media (max-width:760px){
  .nav{display:flex;gap:2px}
  .nav a{font-size:.8rem;padding:8px 7px}
  .brand span{font-size:.82rem;white-space:nowrap}
  .rc-txt,.rc-txt[data-lado="izq"],.rc-txt[data-lado="der"]{top:auto;bottom:9vh;left:var(--gut);right:var(--gut-r);width:auto;transform:none}
  .rc-txt h2{font-size:1.75rem}
  .no-js .rc-sticky,.rc-quieto .rc-sticky{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .recorrido{height:auto}
}
@media (max-width:440px){.brand span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}}

/* Paleta elegante: cursivas en dorado champán, bordes y botones finos en dorado */
em.s,.hero-split h1 em.s,.sec-head h2 em.s,.cta h2 em.s,.page-head h1 em.s,.datos h2 em.s,.rc-txt h2 em.s,.foot-marca em.s,.cifra-ancha h3 em.s{color:var(--lime)}
.btn-main,.arriba{border-color:rgba(235,216,193,.5)}
.btn-main:hover,.arriba:hover{background:var(--lime);border-color:var(--lime);color:var(--lime-ink)}
.cifra b span{color:var(--ink)}
.cifra small{color:var(--lime)}
.cifra,.cifra-ancha,.subj,.book,.unit{border-color:var(--line)}
a.subj:hover{border-color:var(--caramelo)}
.hero-vis .hero-glow{background:radial-gradient(circle,rgba(162,119,81,.22),transparent 62%)}
.badge.on{color:var(--lime-ink)}
.tab[aria-pressed="true"],.tab[aria-selected="true"]{background:var(--lime);border-color:var(--lime);color:var(--lime-ink)}
.mono{color:rgba(235,216,193,.86)}

/* Marca «DBME Academia»: monograma DBME en un sello caramelo, «Academia» en cursiva */
.brand em.s{color:var(--lime);font-size:1.08em}
.brand svg{width:34px;height:34px}
.foot-marca span{display:block;margin-top:18px;font-family:var(--f-mono);font-size:.78rem;font-weight:400;letter-spacing:.18em;text-transform:uppercase;color:rgba(235,216,193,.86)}

/* Tipografía: Fraunces (títulos, marca y cifras, con cursivas) + Manrope (textos, botones y menús) */
:root{
  --f-sans:"Manrope","Inter Tight",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-serif:"Fraunces",ui-serif,Georgia,serif;
  --f-titulo:"Fraunces",ui-serif,Georgia,serif;
}
h1,h2,h3,.foot-marca,.cifra b,.brand span,.marquee span,.cover b,.steps3 .n,.unit-h .n{font-family:var(--f-titulo);font-optical-sizing:auto}
h1,h2,h3{font-weight:600;letter-spacing:-.022em}
.hero-split h1,.datos h2,.cta h2,.page-head h1,.sec-head h2{letter-spacing:-.025em}
em.s{font-family:var(--f-serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.brand span{font-weight:600;letter-spacing:-.01em;font-size:1rem}
.foot-marca{font-weight:600;letter-spacing:-.03em}
.cifra b{font-weight:600;letter-spacing:-.03em}
.subj h3,.book h3,.unit-h h2,.steps3 h3,.cifra-ancha h3{letter-spacing:-.015em}
.slide h1,.slide h2,.slide h3{font-family:var(--f-titulo)}

/* Logo minimalista: emblema de tres barras ascendentes y nombre en mayúsculas espaciadas */
.brand{gap:12px}
.brand svg{width:22px;height:20px}
.brand span{font-family:var(--f-sans);font-size:.8rem;font-weight:600;letter-spacing:.26em;text-transform:uppercase}
.brand i{font-style:normal;font-weight:400;color:var(--muted)}
@media (max-width:440px){.brand svg{width:24px;height:22px}}
.foot-emblema{display:block;width:44px;height:40px;margin-bottom:22px}
/* Biblioteca: buscador, contador y «Ver más» */
.buscar-libros{position:relative;max-width:620px;margin-bottom:18px}
.buscar-libros svg{position:absolute;left:18px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:var(--lime);pointer-events:none}
.buscar-libros input{width:100%;min-height:52px;padding:12px 18px 12px 48px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font:inherit;font-size:.95rem;transition:border-color .3s,background .3s}
.buscar-libros input::placeholder{color:var(--dim)}
.buscar-libros input:focus{outline:none;border-color:var(--lime);background:var(--surface-2)}
.libros-cuenta{margin:-8px 0 18px;font-size:.85rem;color:var(--muted)}
.libros-cuenta:empty{display:none}
.libros-vacio{grid-column:1/-1;padding:32px;border:1px dashed var(--line-2);border-radius:var(--r);color:var(--muted);text-align:center}
.libros-mas{display:flex;justify-content:center;margin-top:26px}
/* En celular, los filtros van en una sola fila que se desliza de lado */
@media (max-width:760px){
  .tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin-left:calc(-1 * var(--gut));margin-right:calc(-1 * var(--gut-r));padding:0 var(--gut-r) 4px var(--gut);scroll-padding:0 var(--gut)}
  .tabs::-webkit-scrollbar{display:none}
  .tab{flex:none}
}
/* En celular, tarjetas de libro compactas: portada pequeña a la izquierda */
@media (max-width:760px){
  .book{display:grid;grid-template-columns:84px minmax(0,1fr);column-gap:16px;row-gap:6px;align-items:start;padding:14px}
  .book .cover{grid-row:1 / span 5;width:84px;padding:10px 9px;border-radius:9px}
  .book .cover b{font-size:.78rem;line-height:1.15}
  .book .cover span{font-size:.5rem;letter-spacing:.06em}
  .book .cover::before{width:5px}
  .book .tag{font-size:.7rem}
  .book h3{font-size:1rem}
  .book .use{font-size:.85rem;line-height:1.5}
}
@media (max-width:760px){
  .book .cover b,.book .cover span{display:none}
  .book .cover{aspect-ratio:3/4;border-left:2px solid var(--caramelo)}
  .book .tag{justify-self:start;align-self:start}
}

/* Página de materia: figuras de partículas propias de cada materia, a la derecha del título */
.page-head-fig .wrap > *{max-width:min(720px,58%)}
.mat-vis{position:absolute;top:0;right:0;bottom:0;width:44%;z-index:-1}
.mat-vis canvas{position:absolute;top:16%;left:0;width:96%;height:80%}
@media (max-width:820px){
  .page-head-fig .wrap > *{max-width:none}
  .mat-vis{position:relative;width:100%;height:280px;margin-top:-10px}
  .mat-vis canvas{inset:0;width:100%;height:100%}
  .page-head-fig{display:flex;flex-direction:column}
  .page-head-fig .wrap{order:1}.page-head-fig .mat-vis{order:2}
}

/* Video dentro de la lámina: miniatura con ▶ y reproductor de YouTube (modo de privacidad mejorada) */
.vids:has(.yt-caja){display:flex;flex-direction:column;align-items:center}
.yt-caja{width:min(100%,58cqi);display:grid;gap:clamp(6px,1cqi,10px)}
.yt{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;border:1px solid var(--line-2);background:#000}
.yt iframe,.yt-play{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-play{padding:0;cursor:pointer;background:#000}
.yt-play img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:opacity .3s,transform .6s var(--out)}
.yt-play:hover img{opacity:1;transform:scale(1.03)}
.yt-icono{position:absolute;left:50%;top:50%;width:clamp(46px,8cqi,72px);aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;display:grid;place-items:center;background:rgba(17,17,16,.72);border:1px solid rgba(235,216,193,.6);backdrop-filter:blur(4px);transition:transform .3s,background .3s}
.yt-icono svg{width:42%;fill:var(--lime);margin-left:6%}
.yt-play:hover .yt-icono{transform:translate(-50%,-50%) scale(1.08);background:rgba(17,17,16,.88)}
.yt-dur{position:absolute;right:8px;bottom:8px;padding:2px 7px;border-radius:6px;background:rgba(0,0,0,.75);font-family:var(--f-mono);font-size:clamp(.55rem,1.1cqi,.72rem);color:#fff}
.yt-info b{display:block;font-size:clamp(.72rem,1.5cqi,.95rem);font-weight:500;line-height:1.3}
.yt-info small{display:block;margin-top:2px;font-size:clamp(.56rem,1.1cqi,.72rem);color:var(--muted)}
.yt-info a{color:var(--lime)}
/* La lámina que sale no recibe clics y queda debajo de la que entra */
.slide.leave-next,.slide.leave-prev{pointer-events:none;z-index:0}
.slide.enter-next,.slide.enter-prev{z-index:1}
@media (max-width:760px){.yt-caja{width:100%}}

/* Idiomas: selector en la barra, aviso de contenido en español y tipografía japonesa */
.idiomas{margin-left:8px;padding:6px 26px 6px 10px;border-radius:999px;border:1px solid var(--line-2);background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ebd8c1' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 8px center/12px;color:var(--ink);font:inherit;font-size:.78rem;letter-spacing:.04em;cursor:pointer;-webkit-appearance:none;appearance:none}
.idiomas:hover,.idiomas:focus-visible{border-color:var(--lime)}
.idiomas option{background:var(--bg-2);color:var(--ink)}
.aviso-idioma{margin:0 auto 14px;max-width:min(100%,1120px);padding:10px 14px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);color:var(--muted);font-size:.84rem;line-height:1.5}
main .aviso-idioma{margin:0 0 26px}
@media (max-width:760px){.idiomas{margin-left:2px;padding:5px 22px 5px 8px;font-size:.72rem;background-position:right 6px center}}
html:lang(ja){--f-sans:"Manrope","Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;--f-titulo:"Fraunces","Noto Serif JP","Hiragino Mincho ProN",serif;--f-serif:"Fraunces","Noto Serif JP","Hiragino Mincho ProN",serif}
html:lang(ja) h1,html:lang(ja) h2,html:lang(ja) h3,html:lang(ja) .foot-marca{letter-spacing:0;line-height:1.25}
html:lang(ja) em.s{font-style:normal}
html:lang(ja) .hero-split h1{font-size:clamp(2.3rem,4.6vw,4.4rem)}